Abstract:
A flat panel device (200) includes a faceplate (202), a backplate (201) made of a co-fired ceramic susbtrate and connected to the faceplate to form a sealed enclosure, and structure (224) for producing light. The faceplate includes an active region. The light-producing structure is divided into a matrix of display elements, or a plurality of light-producing elements. Driver circuitry (204) is formed on or attached to a surface of the backplate. The driver circuitry is connected to the display elements or light-producing elements by electrically conductive vias (241a, 251c) formed entirely or partially through or within the ceramic substrate, and electrically conductive traces (251f) formed within or on one or more surfaces of the ceramic substrate. Each of the display elements or light-producing elements is controlled by the driver circuitry to cause light emission at a corresponding pixel or pixels of the faceplate's active region.
Abstract:
In one electron-emitting device, non-insulating particle bonding material (24) securely bonds electron-emissive carbon-containing particles (22) to an underlying non-insulating region (12). The carbon in each carbon-containing particle is in the form of diamond, graphite, amorphous carbon, or/and silicon carbide. In another electron-emitting device, electron-emissive pillars (22/28) overlie a non-insulating region (12). Each pillar is formed with an electron-emissive particle (22) and an underlying non-conductive pedestal (28). Various techniques, including use of electron-emissive particles as etch masks in the case of the pillared electron emitter, are employed in fabricating the electron emitters.
Abstract:
A flat panel device (300) includes a spacer (308) for providing internal support. The spacer can be made of ceramic or glass-ceramic. Spacer surfaces exposed within the flat panel device are treated to reduce secondary emissions and prevent charging of the spacer surfaces. A light-emitting structure contains a main section (302), a pattern of dark ridges (314) situated along the main section, and a plurality of electron-activated light-emissive regions (313) situated in spaces between the ridges. The dark ridges extend further away from the main section than the light-emissive regions to form a raised black matrix. When the light-emitting structure is used in an optical display, the raised black matrix contacts spacers (308) and, in so doing, protects the light-emissive regions from being damaged. The light-emitting structure can be formed according to various techniques of the invention.